Yealink T43U IP Phone (SIP-T43U) | Like New
SKU: SIP-T43U-LN
This Phone Supports Webex Calling
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Overview for Yealink T43U IP Phone (SIP-T43U) | Like New
The Yealink T43U IP Phone (SIP-T43U) is a professional-grade, feature-rich business IP phone designed to deliver reliable, high-quality voice communications and extensive functionality. It is part of Yealink’s T4U series, which is known for its robust performance, user-friendly interface, and advanced features tailored for modern office environments. The T43U is suitable for a wide range of business settings, from small offices to large enterprises, and is particularly well-suited for users who require multiple lines and advanced call management capabilities
Yealink T43U IP Phone (SIP-T43U) Features:
- 3.7-inch 360x160-pixel graphical LCD with backlight for clear visual information and easy menu navigation.
- Intuitive user interface with programmable keys for personalized workflows.
- Yealink Optima HD Voice technology with Acoustic Shield and Smart Noise Filtering for crystal-clear conversations.
- Wideband codec support, including Opus, for excellent sound quality even in varying network conditions.
- Supports up to 12 SIP accounts, making it ideal for users managing multiple lines or departments.
- Dual-port Gigabit Ethernet for high-speed network connectivity and PC pass-through.
- Dual USB ports for flexible expansion, including USB headsets, call recording, Wi-Fi (via WF40/WF50 dongles), and Bluetooth (via BT41/BT52 dongles).
- EHS (Electronic Hook Switch) headset support for wireless headset integration.
- Compatible with color-screen expansion modules such as the EXP43 for additional programmable keys.
- Power over Ethernet (PoE) support for simplified installation and reduced cable clutter.
- Unified firmware and interface across the T4U series for streamlined device management and deployment.
- Supports Yealink’s Zero Touch Provisioning for efficient mass deployment
- Enhanced security with support for TLS 1.3 and advanced encryption protocols, ensuring secure communications.
- 3-way conference calling, voicemail, caller ID, call waiting, call forwarding, call transfer, and call hold.
- Visual ringer light and voice message waiting indicator.
- Wall-mountable with a stand offering two adjustable angles.
- Large phonebook capacity (up to 1000 entries).
Best Uses for Yealink T43U IP Phone (SIP-T43U):
- Busy Professionals & Executives: The T43U’s support for multiple lines, programmable keys, and expansion modules makes it ideal for users who handle a high volume of calls and require efficient call management.
- Receptionists & Administrative Staff: With its ability to support expansion modules and up to 12 SIP accounts, the T43U is well-suited for front-desk roles that need to monitor multiple lines and manage calls for different departments.
- Growing Businesses & Enterprises: Its robust feature set, scalability, and ease of deployment make it a strong choice for organizations looking to standardize their communications infrastructure across multiple locations.
- Flexible Work Environments: With support for wireless headsets, Wi-Fi, and Bluetooth, the T43U adapts well to varied office setups and remote work scenarios
The Yealink T43U IP Phone (SIP-T43U) stands out as a versatile, high-performance IP phone designed for business users who demand reliability, superior audio, and advanced functionality. Its combination of programmable keys, expansion options, and unified management tools make it a valuable asset for improving communication efficiency in any professional setting
Specifications
Specifications for Yealink T43U IP Phone (SIP-T43U) | Like New
| Manufacturer | Yealink |
| Manufacturer Part Number | SIP-T43U |
| Product Name | Yealink T43U IP Phone |
| Product Type | IP Phone |
Body Color | Classic gray |
Call Services | Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold |
Caller ID Type | Caller ID |
Dialer Location | Base |
Conference Call Capability | 3-way |
Speakerphone | Yes |
Volume Control | Yes |
Indicators | Visual ringer light, voice message waiting indicator |
Additional Functions | Built-in clock, call recording, redial, mute, Music on hold, HD Voice, group call pickup, Do Not Disturb (DND) |
Main Features | Multiple VoIP protocol support, integrated Ethernet switch |
VoIP | Yes |
VoIP Protocols | SIP, SIP v2 |
Voice Codecs | G.722, G.723.1, G.729ab, G.711u, G.711a, G.726, iLBC, Opus |
Lines Supported | 12 lines |
Quality of Service | IEEE 802.1Q (VLAN), IEEE 802.1p, Type of Service (ToS) |
IP Address Assignment | DHCP, static, PPPoE |
Security | IEEE 802.1X, TLS |
Power Over Ethernet (PoE) Support | Yes |
Network Protocols | IP, TCP, TFTP, UDP, HTTP, DNS, HTTPS, SRTP, TR-069, SNTP, STUN |
Network Ports Qty | 2 x Ethernet 10Base-T/100Base-TX/1000Base-T |
Voice Features | Comfort noise generation (CNG), voice activity detection (VAD), HD Voice, acoustic echo cancellation (AEC), packet loss concealment (PLC), adaptive jitter buffer (AJB), automatic gain control (AGC), Yealink Optima HD voice technology |
Network Features | Network Address Translation (NAT), Class 3 PoE, Lightweight Directory Access Protocol (LDAP) |
Phone Directory Capacity | 1000 names & numbers |
Type | LCD display - monochrome |
Display Location | Base |
Diagonal Size | 3.7" |
Display Resolution | 360 x 160 pixels |
Backlit | Yes |
Display Languages | Multilingual |
Connections | Headset jack / RJ-9 ¦ Handset jack / RJ-9 ¦ 2 x USB |
Hearing Aid Compatible | Yes |
Placing / Mounting | Wall-mountable, table-top |
Cables Included | Network cable - 6.6 ft |
Included Accessories | Stand |
Width | 9.6 in |
Depth | 8.1 in |
Height | 6.9 in |
User Guides
Frequently Asked Questions
Yealink T43U IP Phone (SIP-T43U)
Frequently Asked Questions (FAQ's)
What are the main features of the Yealink T43U? The Yealink T43U has a 3.7-inch monochrome display, HD voice, dual USB ports, Gigabit Ethernet, PoE, and up to 12 VoIP accounts.
How do I set up the Yealink T43U for the first time? Connect the handset and headset, connect the network cable to the LAN port, plug in the power adapter (if not using PoE), and configure the phone settings according to the on-screen instructions.
Does the Yealink T43U support Wi-Fi? Yes, the Yealink T43U supports Wi-Fi with an optional USB dongle (Yealink WF40/WF50).
Can I use a Bluetooth headset with the Yealink T43U? Yes, the Yealink T43U supports Bluetooth headsets with an optional USB dongle (Yealink BT40/BT41).
How do I configure VoIP accounts on the Yealink T43U? Enter the phone's IP address into a browser to access its web interface, log in with the default credentials, and proceed to the Account tab to configure VoIP account settings.
What is the display resolution of the Yealink T43U? The 3.7-inch monochrome display measures 360x160 pixels.
Does the Yealink T43U support PoE (Power over Ethernet)? Yes, the Yealink T43U supports PoE, which eliminates the need for an additional power adapter.
How do I update the firmware on the Yealink T43U? Download the latest firmware from the Yealink website, then launch the phone's web interface, navigate to the Settings tab, select Upgrade, and upload the firmware file.
What codecs does the Yealink T43U support? The Yealink T43U supports various codecs, including G.722, G.711(A/μ), G.723.1, G.729AB, G.726, and iLBC.
How do I reset the Yealink T43U to factory settings? Go to Menu > Settings > Advanced Settings, enter the admin password, select Reset to Factory, and confirm the reset.
Can the Yealink T43U be used with other SIP-based phone systems? Yes, the Yealink T43U is compatible with a variety of SIP-based telephone systems.
What is the warranty period for the Yealink T43U? The Yealink T43U typically has a one-year limited warranty, but this may vary depending on the vendor.
How many VoIP accounts can the Yealink T43U handle? The Yealink T43U supports up to 12 VoIP accounts.
Does the Yealink T43U support expansion modules? Yes, the Yealink T43U can accommodate up to three expansion modules for additional line keys and functionality.
How do I configure the network settings on the Yealink T43U? Navigate to Menu > Settings > Advanced Settings, enter the admin password, and configure the network settings under Network.
What type of Ethernet ports does the Yealink T43U have? The Yealink T43U features dual-port Gigabit Ethernet (10/100/1000 Mbps).
Can the Yealink T43U be wall-mounted? Yes, the Yealink T43U can be wall-mounted with the optional wall mount bracket.
How do I transfer calls on the Yealink T43U? During an active call, press the Transfer soft key, then enter the destination number and press Transfer again.
What is Yealink Optima HD Voice technology? Yealink's Optima HD Voice technology improves call audio quality by utilizing advanced acoustic algorithms and wideband audio codecs.
How do I access the voicemail on the Yealink T43U? To access your voicemail messages, press the Message button on your phone, enter your voicemail password, and then follow the prompts.